int granufm_tilde_setup(void)
{
t_class *c = class_new(gensym("granufm~"), (t_newmethod)granufm_new, (t_method)grans_free, (long)sizeof(t_grans), CLASS_NOINLET, A_GIMME, 0);
class_addmethod(c, (t_method)grans_clear, gensym("clear"), 0);
class_addmethod(c, (t_method)grans_dsp, gensym("dsp"), A_CANT, 0);
double coefshape[NSHAPINGTABS];
PowTableFunction(NSHAPINGTABS, coefshape, 1, 0.0001, 1.0, 2.0);
long i;
for(i = 0; i < NSHAPINGTABS; i++){
PowTableFunction(STABSZ, granu_exptab[i], 1, 0.0001, 1.0, coefshape[i] * 10.0);
}
SincFunction(STABSZ, granu_sincwindow, 1, (double)-GRANU_SINCRIPPLES, (double)GRANU_SINCRIPPLES);
DampedSineFunction(STABSZ, granu_dampedsinetab, 1, 0.0, 5.0, 1.0);
CosWindowFunction(STABSZ, granu_wind_costab, 1, 0.0, 2.0 * PI);
SineFunction(STABSZ, granu_sinetab, 1, 0.0, 2.0 * PI);
ExpDecayFunction(STABSZ, granu_expdecaytab, 1, 0.0, 5.0);
granufm_class = c;
return 0;
}
void *grans_new(t_symbol *s, long argc, t_atom *argv)
{
int n;
t_grans *x = (t_grans *)object_alloc(grans_class);
if (x) {
dsp_setup((t_pxobject *)x, 8);
x->maxoscillators = DEFAULTMAXOSCILLATORS;
if( argc > 0)
{
int i;
t_atom *ap;
for (i = 0, ap = argv; i < argc; i++, ap++) {
if(atom_gettype(ap) == A_LONG)
{
switch(i){
case 0:
n = atom_getlong(ap);
x->maxoscillators = n;
// object_post((t_object *)x, "%d oscillators initialized", n);
break;
case 1:
n = atom_getlong(ap);
x->numoutlets = n;
// object_post((t_object *)x, "%d outlets?", n);
while(n--){
outlet_new(x, "signal");
}
default:
break;
}
}
}
}
else
{
x->numoutlets = 1;
outlet_new(x, "signal");
// outlet_new(x, "signal");
}
x->ob.z_misc |= Z_NO_INPLACE;
x->base = (t_osc *)calloc(x->maxoscillators, sizeof(t_osc));
// x->modbase = (t_osc *)calloc(x->maxoscillators, sizeof(t_osc));
x->sinetab = (double *)calloc(STABSZ, sizeof(double));
x->wind_costab = (double *)calloc(STABSZ, sizeof(double));
x->expdecaytab = (double *)calloc(STABSZ, sizeof(double));
x->dampedsinetab = (double *)calloc(STABSZ, sizeof(double));
x->sincwindow = (double *)calloc(STABSZ, sizeof(double));
double coefshape[NSHAPINGTABS];
PowTableFunction(NSHAPINGTABS, coefshape, 1, 0.0001, 1.0, 2.0);
x->exptab = (double **)calloc(NSHAPINGTABS, sizeof(double *));
long i;
for(i = 0; i < NSHAPINGTABS; i++){
x->exptab[i] = (double *)calloc(STABSZ, sizeof(double));
if(x->exptab[i])
{
PowTableFunction(STABSZ, x->exptab[i], 1, 0.0001, 1.0, coefshape[i] * 10.0);
} else {
object_error((t_object *)x, "could not allocate memory for lookup table");
}
}
x->samplerate = sys_getsr();
if(x->samplerate<=0)
x->samplerate = 44100;
x->sampleinterval = 1.0 / x->samplerate;
x->pkw = ( STABSZ * x->sampleinterval ) ;
x->maxhz = (x->samplerate / 2) * x->pkw;
x->nosc = x->next_nosc = 0;
x->prev_in1 = 0.0;
x->sincripples = 5; //could make this an attribute, or maybe compute sinc in realtime...
Makeoscsinetable(x);
MakeCosWindow(x);
MakeExpDecaytable(x);
MakeDampedSineWindow(x);
MakeSincWindow(x);
grans_clear(x);
x->always_on = 0;
t_dictionary *d = NULL;
d = dictionary_new();
if (d) {
attr_args_dictionary(d, argc, argv);
attr_dictionary_process(x, d);
object_free(d);
}
} else {
object_post((t_object *)x, "this is potentially bad!");
}
return (x);
}